java.awt
Interface ItemSelectable

All Known Subinterfaces:
ButtonModel
All Known Implementing Classes:
AbstractButton, Checkbox, CheckboxMenuItem, Choice, DefaultButtonModel, JComboBox, List

public interface ItemSelectable

The interface for objects which contain a set of items for which zero or more can be selected.

Author:
Amy Fowler

Method Summary
 void addItemListener(ItemListener l)
          Adds a listener to receive item events when the state of an item is changed by the user.
 Object[] getSelectedObjects()
          Returns the selected items or null if no items are selected.
 void removeItemListener(ItemListener l)
          Removes an item listener.
 

Method Detail

getSelectedObjects

public Object[] getSelectedObjects()
Returns the selected items or null if no items are selected.


addItemListener

public void addItemListener(ItemListener l)
Adds a listener to receive item events when the state of an item is changed by the user. Item events are not sent when an item's state is set programmatically. If l is null, no exception is thrown and no action is performed.

Parameters:
l - the listener to receive events
See Also:
ItemEvent

removeItemListener

public void removeItemListener(ItemListener l)
Removes an item listener. If l is null, no exception is thrown and no action is performed.

Parameters:
l - the listener being removed
See Also:
ItemEvent